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A high power all-fiber laser is experimentally studied.A monolithic fiber laser system with only one stage of resonator cavity is constructed and 404-W continuous wave(CW) output power is obtained.Its opticalto -optical conversion efficiency is up to 64%.The laser central wavelength is at 1081 nm with the spectral full-width at half-maximum(FWHM) of 2 nm.The laser setup can work with excellent stability;in the long time of high power operation,no thermal distortions or damages are observed.
A high power all-fiber laser is experimentally studied. A monolithic fiber laser system with only one stage of resonator cavity is constructed and 404-W continuous wave (CW) output power is obtained. Itts opticalto -optical conversion efficiency is up to 64% The laser central wavelength is at 1081 nm with the spectral full-width at half-maximum (FWHM) of 2 nm. The long setup of high power operation, no thermal distortions or damages observed.